Conjugación del verbo inglés
MUST YES

Verbo regular: yes - yesed - yesed

Afirmación

Forma simple	Forma con V-ing
I must yes you must yes he must yes we must yes you must yes they must yes	I must be yesing you must be yesing he must be yesing we must be yesing you must be yesing they must be yesing
Perfecto	Perfecto con V-ing
I must have yesed you must have yesed he must have yesed we must have yesed you must have yesed they must have yesed	I must have been yesing you must have been yesing he must have been yesing we must have been yesing you must have been yesing they must have been yesing

Negación

Forma simple	Forma con V-ing
I must not yes you must not yes he must not yes we must not yes you must not yes they must not yes	I must not be yesing you must not be yesing he must not be yesing we must not be yesing you must not be yesing they must not be yesing
Perfecto	Perfecto con V-ing
I must not have yesed you must not have yesed he must not have yesed we must not have yesed you must not have yesed they must not have yesed	I must not have been yesing you must not have been yesing he must not have been yesing we must not have been yesing you must not have been yesing they must not have been yesing

Forma interrogativa

Forma simple	Forma con V-ing
must I yes? must you yes? must he yes? must we yes? must you yes? must they yes?	must I be yesing? must you be yesing? must he be yesing? must we be yesing? must you be yesing? must they be yesing?
Perfecto	Perfecto con V-ing
must I have yesed? must you have yesed? must he have yesed? must we have yesed? must you have yesed? must they have yesed?	must I have been yesing? must you have been yesing? must he have been yesing? must we have been yesing? must you have been yesing? must they have been yesing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not yes? must you not yes? must he not yes? must we not yes? must you not yes? must they not yes?	must I not be yesing? must you not be yesing? must he not be yesing? must we not be yesing? must you not be yesing? must they not be yesing?
Perfecto	Perfecto con V-ing
must I not have yesed? must you not have yesed? must he not have yesed? must we not have yesed? must you not have yesed? must they not have yesed?	must I not have been yesing? must you not have been yesing? must he not have been yesing? must we not have been yesing? must you not have been yesing? must they not have been yesing?